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451.

MODEL ACTIVITY TASK CLASS - VI ENVIRONMENT & SCIENCE 1. Choose the correct answer: 1.1 The product that can be obtained from the bark of cinchona is - (a) Resin (b) Quinine (c) Rubber (d) Gum. 1.2 The chemical compound that is used as a fertilizer is-(a) Salt (b) Malathion (c) Carbaryl(d) Urea. 1.3 The formula of carbon tetrachloride is -- (a) CCI (b) CCI, (c) CCI, (d) CCI, 2. Fill in the blanks: 2.1 Symbiotic relationship can be observed between sea anemone and fish. 2.2 When a larger chunk of a substance is broken down to smaller pieces, the total surface area of the smaller pieces becomes than that of the larger one. 2.3 The reason why plastic is used to coat the handle of kitchen utensils is that its thermal conductivity is than that of metals. Answer in one or two sentences: anufacturing​

Answer»

Answer:

MODEL ACTIVITY TASK CLASS - VI ENVIRONMENT & SCIENCE 1. Choose the correct answer: 1.1 The product that can be obtained from the bark of cinchona is - (a) Resin (b) Quinine (c) Rubber (d) Gum. 1.2 The chemical compound that is used as a fertilizer is-(a) Salt (b) Malathion (c) Carbaryl(d) Urea. 1.3 The formula of carbon tetrachloride is -- (a) CCI (b) CCI, (c) CCI, (d) CCI, 2. Fill in the blanks: 2.1 Symbiotic relationship can be observed between sea ANEMONE and fish. 2.2 When a larger CHUNK of a substance is broken down to smaller pieces, the total surface area of the smaller pieces becomes than that of the larger one. 2.3 The REASON why plastic is used to coat the handle of KITCHEN utensils is that its thermal conductivity is than that of metals. Answer in one or two sentences: anufacturing​

Explanation:

452.

What desides the use of materials in your kitchen? Explain with a example.​

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Answer:

use MATER in the KITCHEN.

EXAMPLE- KNIFE

453.

What would cause a moving object to change direction​

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Answer:

A force applied at an ANGLE to the direction of motion of an object can cause it to change direction. A side wind will cause an airplane to change its direction. It is possible that the object keeps going at the same speed, if the force is applied perpendicular to the direction of motionUnbalanced forces cause a change in motion, speed, and/or direction. When two forces ACT in the same direction on an object, the NET force is equal to the SUM of the two forces. In the example below, the net force would be 900 Newtons (450 + 450 = 900), and the object would move to the RIGHT.

454.

How can we stop a moving object?​

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Answer:

yes we can stop by APPLYING FORCE to the opposite DIRECTION as of the object

455.

Describe The Process of Photosynthesis

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Answer:

photosynthesis, the process by which GREEN PLANTS and certain other organisms transform light ENERGY into chemical energy. During photosynthesis in green plants, light energy is captured and USED to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds

hope It's HELP you

456.

Define tissue and vacuole​

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ANSWER:

TISSU is MADE up of cells

Vacuole I didn't know

Explanation:

Cell = is a smallest HOUSE of our BODY

457.

Define the animal cell​

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★᭄ꦿ᭄Answer★᭄ꦿ᭄

ANIMAL cells are the basic STRUCTURAL and functional units of animal TISSUES and organs. They are eukaryotic cells. It means that, unlike PROKARYOTIC cells, animal cells have membrane-bound organelles SUSPENDED in the cytoplasm enveloped by a plasma membrane.

458.

Define cell and cell wall​

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Answer:

cell WALL is a structural layer surrounding some types of cells, just outside the cell MEMBRANE. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural SUPPORT and protection, and also acts as a filtering mechanism

Explanation:

usually rigid nonliving permeable wall that surrounds the plasma membrane and encloses and supports the cells of most PLANTS, bacteria, fungi, and ALGAE — see cell illustration

hope It's help you

459.

Define cell organelles​

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★᭄ꦿ᭄Answer★᭄ꦿ᭄

An organelle is a subcellular structure that has one or more specific JOBS to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information , mitochondria, which PRODUCE CHEMICAL ENERGY , and ribosomes, which assemble proteins.

460.

Which type of respiration is the most efficient form of respiration?​

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Explanation:

8.कुंती ने किस ऋषि की सेवा की थी

9.ऋषि दुर्वासा ने कुंती को क्या वरदान दिया

10.कर्ण कौन था उसका पालन पोषण किसने किया 11.कुंती का विवाह किससे हुआ

12.महाराज पांडु को श्राप क्यों मिला

13.पांडवों का जन्म कैसे हुआ

14.महाराज पांडु की मृत्यु कैसे हुई

461.

Class 4subject sciencequestion define amphibians​

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a cold-blooded vertebrate ANIMAL of a class that comprises the frogs, TOADS, newts, salamanders, and caecilians. They are distinguished by having an aquatic gill-breathing LARVAL STAGE followed (typically) by a terrestrial lung-breathing adult stage.

462.

Two methods to stop erosion _________,________​

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Answer:

The various methods for PREVENTING and reducing SOIL erosion are:

Preventing EXCESSIVE grazing.

Prevention of deforestation.

Plantation of trees and plants.

Mulch matting can be used to REDUCE erosion on the slopes.

Put a series of fibre logs to prevent any WATER or soil from washing away.

463.

Velocity is defined as _per unit time.don't spam otherwise I will ​

Answer»

EXPLANATION:

VELOCITY IS DEFINED AS DISPLACEMENT PER UNIT TIME

FORMULA FOR VELOCITY =>

\frac{displacement}{time}

464.

- Write any & benefits of drinking water and roughagerich food items in your diet​

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Explanation:

It helps to move FOOD through the body and aids digestion by (1) ATTRACTING water to the small and large intestines, and (2) the water increases bulk in foods and KEEPS the mass of fiber, food particles, digestive juices soft and MOVING though the system

465.

Positive word meaning​

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ANSWER:

CORONA POSITIVE

466.

How does a hibernating animal survive? 1 point A.. A hibernating animal lives off of stored food. B.A hibernating animal lives off of body fat. C.A hibernating animal lives somewhere warm. D. A hibernating animal lives off of the land.

Answer»

ANSWER:

whhwhw he is hhhehehehe BEHE

467.

What is photosynthesisI will mark as brainliest​

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EXPLANATION:

process by which GREEN plants and some other organisms use sunlight to synthesize nutrients from CARBON dioxide and WATER. Photosynthesis in plants generally involves the green PIGMENT chlorophyll and generates oxygen as a by-product.

468.

Description on rainy day.​

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Answer:

A RAINY day is a day which COOLS the weather with rain SHOWERS and a refreshing breeze. It is a boon for trees, birds, animals, plants and people during summer. It REJUVENATES everyone by making the climate cool and pleasant. The FRUITS and flowers on trees look so fresh, colourful and refreshing on a rainy day.

469.

Name a gas that is a poor conductor of heat​

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NITROGEN is the POOR CONDUCTOR of HEAT

470.

Ammonia is found in many household product , such as window cleaners . It turns red litmus blue . what is it's nature​

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ANSWER:

The SUBSTANCES that TURN red LITMUS to blue are basic in NATURE. Thus, ammonia is basic in nature

471.

Sea touches the land on dash side.​

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ANSWER:

Coastal side . coastal means the land and sea WATER where it meets or we can also SAY that the sea near AREAS

472.

Answer give me fast science class 8th​

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nylon thread, polyester SUIT are examples..

definition— Synthetic fiber or synthetic FIBRE are FIBERS made by humans through chemical synthesis, as opposed to NATURAL fibers that are directly derived from LIVING organisms.

473.

I am a leaf and I am a part of this system of a plant:one word answer please

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ANSWER:

LEAF is the PART of SHOOT SYSTEM.

474.

Classify the following into biodegradable or nonbiodegradable substances​

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Explanation:

Sun, plant, WATER, rabbit, MUD, PETROL, forest are BIO degradable.

Rock, bag are non bio degradable

475.

What is the roughage​

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476.

Circle the odd one out and give reason Hair, skull, ribcage ,backbone​

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ANSWER:

Hair is the correct answer

Explanation:

I hope you LIKE it

Please MARK me as brainlist

477.

10. The metal which is notcorroded by air, water and acidis+ Iron nailO A. CopperoppertumO B. Zincopper turninO C. Aluminiumon nail (Fe)O D. Goldment reac​

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ANSWER:

COPPER is not CORRODED by Air, WATER and Acid

478.

Different merits and demerits of leyars plants points​

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Answer:

This method of PROPAGATION is LIMITED to plants which form growing POINTS readily. 2) It is DIFFICULT to produce large number of plants through this method. In other words, this method does not use propagation MATERIAL economically.

479.

Silk yarn is obtained at which stage of silk moth?​

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ANSWER:

THIRD stage

Explanation:

OK MARK as BRAINALIST

480.

What is star? short answer type question​

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ANSWER:

A star is a very large ball of BRIGHT glowing hot matter in space. that matter is called plasma .stars are held together by gravity. they give out heat and LIGHT because they are very hot

Explanation:

sorry answer TYPE kar me late ho gi ye

I HOPE it's help you

481.

Name the raw materials and conditions necessary for photosynthesis.I need the materials and conditions answer separatelyThe correct answer will be marked as brainliest

Answer»

Answer:

Raw materials =

Carbon dioxide

Water

And in the presence of SUNLIGHT and chlorophyll

Conditions NECESSARY =

It depends on PLANTS

Ex:cactus needs hot or SUMMER season

Lutos needs to be grown in water or in area where there is fload.

I hope you like my answer

482.

18. Which one of the followingmetals is the most ductile?O A. AluminiumO O OO B. CopperO C. SilverO D. Gold​

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ANSWER:

GOLD is most DUCTILE HENCE The answer is D

483.

What is the site of photosynthesis in green planteplease tell fasttttttt​

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Answer:

Photosynthesis TAKES PLACE in the grana and stroma of the CHLOROPLAST (Plastid) in green plants.

hope it will help u

have a NICE day and STAY safe

484.

9. Which one of the followingmetals is the most reactive andstored in kerosene?O A. IronO B. GoldO C. CopperO D. Potassium​

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Answer:

Some highly active METALS are STORED in kerosene so that they do not come in contact with light or moisture and UNDERGO certain explosive reactions. Complete step by step answer: 1. From the reactivity series of metals, we know that Sodium and Potassium are the most reactive metals and HENCE are PRESENT at the top.

485.

Sun is biodegradable or nonbiodegradable​

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ANSWER:

BIODEGRADABLE is the RIGHT answer

486.

एक्टिविटीज विच यू वांट टू विदाउट वाटर सेकंड क्लास थर्ड क्लास​

Answer»

ANSWER:

what do you MEAN?

EXPLANATION:

no MEANING of this QUESTION?

487.

Name the raw materials and conditions necessary for photosynthesis.

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Answer:

Photosynthesis requires sunlight, chlorophyll, WATER, and carbon dioxide gas as raw materials. Chlorophyll is a substance in all green plants, especially in the leaves. Plants TAKE in water from the SOIL and carbon dioxide from the air.

Explanation:

plz MARK me as BRAINLIST

488.

What is milky way? short answer type question​

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ANSWER:

MILKY WAY is the GALAXY we LIVE in.

489.

Why the people start to product the plants​

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ANSWER:

HOPE it is helpful

Explanation:

Plants provide us with food, fiber, shelter, medicine, and fuel. The BASIC food for all organisms is produced by green plants. In the process of food PRODUCTION, oxygen is released. This oxygen, which we OBTAIN from the air we breathe, is essential to life.

490.

Clothes One wears before going to school​

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ANSWER:

SCHOOL UNIFORM is must and above all the materials those are needed for GOING to school

491.

An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example.science chapter 8 ​

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Answer: YES, the object instead of MOVING through a DISTANCE can have zero DISPLACEMENT. Example: If an object travels from POINT A and reaches to the same point A, then its displacement is zero.

492.

Ans the question fast​

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ANSWER:

A) Hut

B) BRICKS HOUSE (Building)

C) Tent

D)

E)

F) Igloo

This is what I know

hope it helps you FRIEND

493.

Two foods rich in fat are _________and____________.fill in the blanks​

Answer»

ANSWER:

GHEE and Cheese

Explanation:

PLEASE MARK my answer as BRAINLIST

494.

What is decomposers ?​

Answer»

QuEsTiOn :-

What are decomposes?

 ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄

AnSwEr :-

The ORGANISMS that decompose ORGANIC materials. e. g, FUNGUS, SOIL bacterium.

 ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄

Hopes, it's helpful.

ItzNobita5 ^_^

495.

Vitamin B and C are taken regularly with food daily. Give correct reason.​

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Explanation:

Take this medication by mouth, USUALLY once daily or as directed. FOLLOW all DIRECTIONS on the product package, or take as directed by your doctor. Do not take more than the recommended DOSAGE.

496.

What is the importance of sun in solar system?​

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ANSWER:

nahi PATA ha bhai PLEASE find the ATTACHMENT of the answer is

497.

7. Phosphorus is stored in :OA. KeroseneOB. WaterOC. Both A & BOD. None of these​

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ANSWER:

B.Water

Explanation:

PLS MARK me as BRAINLIST

498.

ACIDS ARE CLASSIFIED AS CONCENTRATED OR DULUTE DEPENDING ON THE AMOUNT OF _______ PRESENT .​

Answer»

ANSWER:

WATER is CORRECT answer

499.

5. Which of the following is aliquid at room temperature?O A. IronO B. MercuryOC. lodineO D. Phosphorus​

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ANSWER:

MERCURY is the answer..

500.

Why do organisms need Air give reason​

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ANSWER:

All ORGANISM TAKE OXYGEN for their LIFE